How do one get viridans streptococcus in urine?

Blood culture please: Most of the time viridans group streptococcus in the urine is of no importance, it is not usually the root cause of a UTI and often a contaminant. However, in a small number of patients, it may be a sign of a systemic infection with streptococcus such as endocarditis. Please ask your doctor to order two sets of blood cultures.